CVE-2023-5685: Xnio: stackoverflowexception when the chain of notifier states becomes problematically big

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-03-22 · updated 2026-09-14
Weakness: CWE-400

Description

A flaw was found in XNIO. The XNIO NotifierState that can cause a Stack Overflow Exception when the chain of notifier states becomes problematically large can lead to uncontrolled resource management and a possible denial of service (DoS).

Affected products

Red Hat build of Apache Camel - HawtIO 4: all versions
Red Hat Integration Camel K 1: all versions
Red Hat JBoss Enterprise Application Platform: all versions — fixed in 3.8.11.SP1-redhat-00001
Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7: all versions — fixed in 0:1.4.197-2.redhat_00005.1.ep7.el7, 0:1.68.0-1.redhat_00005.1.ep7.el7, 0:1.7.6-2.redhat_00003.1.ep7.el7, 0:2.0.15-1.Final_redhat_00001.1.ep7.el7, 0:2.7.1-26.redhat_00015.1.ep7.el7, 0:2.8.11.6-1.SP1_redhat_00001.1.ep7.el7
Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7: all versions — fixed in 0:1.2.2-2.Final_redhat_00002.1.el7eap, 0:1.4.197-3.redhat_00004.1.el7eap, 0:1.7.2-12.Final_redhat_00013.1.el7eap, 0:1.7.6-8.redhat_00003.1.el7eap, 0:2.0.1-4.Final_redhat_00001.1.el7eap, 0:2.0.15-1.Final_redhat_00001.1.el7eap
Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8: all versions — fixed in 0:3.8.11-1.SP1_redhat_00001.1.el8eap
Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9: all versions — fixed in 0:3.8.11-1.SP1_redhat_00001.1.el9eap
Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7: all versions — fixed in 0:3.8.11-1.SP1_redhat_00001.1.el7eap
Red Hat Process Automation 7: all versions

How to fix

Upgrade to a fixed version: Red Hat JBoss Enterprise Application Platform 3.8.11.SP1-redhat-00001; Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7 0:1.4.197-2.redhat_00005.1.ep7.el7, 0:1.68.0-1.redhat_00005.1.ep7.el7, 0:1.7.6-2.redhat_00003.1.ep7.el7, 0:2.0.15-1.Final_redhat_00001.1.ep7.el7; Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7 0:1.2.2-2.Final_redhat_00002.1.el7eap, 0:1.4.197-3.redhat_00004.1.el7eap, 0:1.7.2-12.Final_redhat_00013.1.el7eap, 0:1.7.6-8.redhat_00003.1.el7eap; Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8 0:3.8.11-1.SP1_redhat_00001.1.el8eap; Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9 0:3.8.11-1.SP1_redhat_00001.1.el9eap; Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7 0:3.8.11-1.SP1_redhat_00001.1.el7eap. Check the vendor advisory for mitigations.

References

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